package com.mingtai.design.principle.dependenceinversion;

/**
 * @description: 指定规则、契约
 * @author: mingtai
 * @createDate: 0:46 2021/1/14
 * @version: 1.0
 */

public interface ICourse {

    // 具体需要学习什么样的课程，让子类去实现。易扩展
    void studyCourse();
}
